Table 4.

Recommended dietary allowances (RDAs) for vitamin B₁₂, iron and vitamin C for Indians.

		ICMR (2010) [39]			ICMR-NIN (2020) [38]
Sex/Age	Category	Vitamin B12 (µg/d)	Iron (mg/d)	Vitamin C (mg/d)	Vitamin B12 (µg/d)	Iron (mg/d)	Vitamin C (mg/d)
Men		1.0	17	40	2.2	19	80
Women	NPNL 1	1.0	21	40	2.2	29	65
	Pregnant	1.2	35	60	2.45	27	80
	Lactating	1.5	25	80	3.2	23	115
Infants	6–12 month	0.2	5	25	1.2	3(6 2)	30
Children	1–3 year	0.2	9	40	1.2	8	30
	4–6 year	0.2–1.0	13	40	1.2–2.2 3	11	35
	7–9 year	0.2–1.0	16	40	2.2	15	45
Boys	10–12 year	0.2–1.0	21	40	2.2	16	55
Girls		0.2–1.0	27	40	2.2	28	50
Boys	13–15 year	0.2–1.0	32	40	2.2	22	70
Girls		0.2–1.0	27	40	2.2	30	65
Boys	16–18 year	0.2–1.0	28	40	2.2	26	85
Girls		1.0	26	40	2.2	32	70

¹ Not pregnant, not lactating; ² Adjusted value ICMR-NIN 2024; ³ ICMR-NIN 2024 recommends that 2.2 µg/d starts at 5 year.